ETHANOL IN OK-POWERPOINT

ETHANOL IN OK-POWERPOINT - Ethanol Production in Oklahoma...

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Ethanol Production in Oklahoma Andy Abatiell Jason Ireland Joseph Odusina Daniel Silva Rajoo Zafar Zaidi
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Scope of our study • To determine if the production of ethanol would be a worthwhile investment in the state of Oklahoma. – If so, determine the NPW, crops used, and plant location(s). – If not, determine why it is not feasible.
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Outline • Introduction – Why Ethanol? – Market Analysis • Feedstock – Selection Criteria – Crop Availability • Possible Technologies – Fermentation – Dilute Acid Hydrolysis – Gasification •R e s u l t s – Why is a model needed? – Model Variables – Sensitivity Analysis – Conclusions and Recommendations
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Why do we need Ethanol? • Causes gas to burn more efficiently. Comparisions of Oxygenated and Non-Oxygenated Gasoline 0 2 4 6 8 10 12 All Vehicles Passenger Cars Light Trucks CO Emissions (g/mi) Non-Oxy Oxy
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Why do we need Ethanol? • Used as an additive in gasoline. Gasoline Composition Currently Total AHC 30% Total SHC 37% Benzene 0.5% Total USHC 7% Toluene m/p Xylene 5.2% Ethylbenzene 0.3% MTBE 11% o-xylene 2%
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Problems with MTBE • Contaminates groundwater. Blue = MTBE Flow in Groundwater Red = Ethanol Flow in Groundwater
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Legislation • Several states have passed or enacted MTBE phase-outs (MN, IA, NE, CA). • Need subsidies to make ethanol production more competitive.
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Current Production • 68 Ethanol Plants • Produced a total of 2.1 billion gallons in 2002
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Projected Ethanol Demand 6.0 I 13.0 H 10.3 G 15.1 F 106.2 E 3.9 D 74.2 C 9.4 B 1.8 A MGal
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Distillers Grain • Two different types: 1) Dry Distillers Grain 2) Wet Distillers Grain. • Sells for $30/ton in wet form, and $75/ton in dry form. • Sold to feed different types of cattle. • Total cattle population is 5.25 million in Oklahoma
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Ethical Concerns? • Some groups vehemently protest using Ethanol. • Why use feed crops to make gasoline?
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Feedstock Analysis • 44 million acres of land/ 11 million for agriculture. • Possible feeds: barley, cotton, peanuts, switchgrass, wheat, and corn.
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Selection Criteria • Harvest Time • Starch content of feedstock • Transportation/Storage Cost • Production of marketable by-products • Cost of processing Æ Crops chosen : Wheat, Grain Sorghum and Switchgrass
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